Doctors for Aneurysm in Attica

Dr. Tsoutsas Ioannis A is a Vascular Surgeon - Angiologist with a private practice in Vrilissia. He completed his medical studies at the Medical School of Rome (La Sapienza - Roma) and additional training in Vascular Ultrasound Imaging as well as Endovascular Surgery at the National and Kapodistrian University of Athens. He has worked as a Resident and Specialist Vascular Surgeon at the Attikon General Hospital of Attica "Sismanoglio" and currently serves as the Scientific Director of the Vascular Surgery Department at the "IASO" group. Furthermore, he possesses extensive experience in General Surgery from the Athens Polyclinic and the Athens General Hospital "Evangelismos," in Vascular Surgery from the Attikon General Hospital "Sismanoglio," and in Thoracic Surgery from the Athens General Hospital Hippocrates. He is a member of the Medical Association of Athens, the Medical Association of Livadia, the British Medical Association (NHS), the Hellenic Vascular Surgery Society (HVS), and the European Society of Vascular Surgeons (ESVS).

Ο Μαρτίνος Βασίλειος είναι Νευροχειρουργός και διατηρεί ιδιωτικό ιατρείο στην Αθήνα και στη Ραφήνα. Διαθέτει πτυχίο Ιατρικής και Χειρουργικής και ειδικεύτηκε στη Νευροχειρουργική της Πανεπιστημιακής Κλινικής Νευροχειρουργικής στο 2ο Πανεπιστημιακό Νοσοκομείο της Ρώμης "Policlinico Tor Vergata". Παράλληλα, διαθέτει μεγάλη εμπειρία στη διάγνωση και αντιμετώπιση νευροχειρουργικών περιστατικών, αφού είναι Επιμελητής A' - Μέλος Ομάδας Νευροχειρουργών του “Ερρίκος Ντυνάν Hospital Center”, Επιστημονικός Συνεργάτης της ιδιωτικής παιδιατρικής κλινικής "ΙΑΣΩ Παίδων. Όλα αυτά τα χρόνια, έχει κληθεί να αντιμετωπίσει, επεμβατικά ή μη, πληθώρα παθήσεων του εγκεφάλου, της σπονδυλικής στήλης, του νωτιαίου μυελού και όχι μόνο. Αντιμετωπίζει όλο το φάσμα των νευροχειρουργικών παθήσεων, ενώ είναι εξειδικευμένος στη χειρουργική εγκεφάλου, και πιο συγκεκριμένα στη νευροογκολογία, στη νευροτραυματολογία, στις αγγειακές δυσπλασίες, στη δυναμική εγκεφαλονωτιαίου υγρού, αλλά και στη χειρουργική της σπονδυλικής στήλης με ιδιαίτερη έμφαση στη διαδερμική προσπέλαση, στις ελάχιστα παρεμβατικές τεχνικές στη διαχείριση του σπονδυλικού πόνου, καθώς και στην ενδοσκοπική και λειτουργική νευροχειρουργική (π.χ. θεραπεία επιληψίας και νόσου Πάρκινσον, DBS). Επίσης, λόγω της κλινικής χειρουργικής & ερευνητικής του εμπειρίας, έχει εξειδίκευση στην ογκολογία εγκεφάλου και νωτιαίου μυελού, στις αγγειακές δυσπλασίες εγκεφάλου, όπως είναι τα ανευρύσματα, οι αρτηριοφλεβώδεις δυσπλασίες και τα φλεβικά και σηραγγώδη αγγειώματα. Παράλληλα, εξειδικεύεται στην υδροκεφαλία, στις κακώσεις εγκεφάλου (επισκληρίδια / υποσκληρίδια αιμορραγία, ενδοεγκεφαλικό αιμάτωμα) και σπονδυλικής στήλης. Επιπρόσθετα, ο ιατρός είναι εξειδικευμένος στη νευραλγία τριδύμου, στην παθολογία αυχενικής μοίρας (δισκοκήλη, σπονδύλωση, μυελοπάθεια, ριζοπάθεια) και στην παθολογία οσφυϊκής μοίρας (δισκοκήλη, στένωση σπονδυλικού σωλήνα). Ακόμη, πέραν της μεγάλης εμπειρίας, διαθέτει και άρτια επιστημονική κατάρτιση, αφού έχει συμμετάσχει σε αρκετά διεθνή συνέδρια και σεμινάρια με ομιλίες και δημοσιεύσεις επιστημονικών άρθρων. Τέλος, βασικό μέλημα του ιατρού είναι η παροχή υπηρεσιών σε όλο το φάσμα της νευροχειρουργικής που θέτουν σε προτεραιότητα τις ανάγκες του ασθενή, καθώς και η υπεύθυνη αντιμετώπιση όλων των νευρολογικών διαταραχών και παθήσεων που επηρεάζουν την καθημερινότητά του.

Ο Ιατρός Κωνσταντίνος Θεμιστοκλής MD, MSc, PhD είναι Νευροχειρουργός και διατηρεί ιδιωτικό ιατρείο στους Αμπελόκηπους. Ειδικεύτηκε στην Νευροχειρουργική (2018) μετά από την εκπαίδευση στην Α’ Πανεπιστημιακή Νευροχειρουργική Κλινική του Γενικού Νοσοκομείου Αθηνών «Ο Ευαγγελισμός» (2013-2019). Εκεί απέκτησε ευρεία εμπειρία σε όλο το φάσμα της νευροχειρουργικής, καθώς και στην αντιμετώπιση της σπαστικότητας και του χρόνιου πόνου. Επίσης, έχει εργαστεί στην Νευροχειρουργική Κλινική του  Νοσοκομείου Royal Preston Hospital (2013) του Ηνωμένου Βασιλείου σε θέση Neurosurgical Fellow (Junior level) και μετεκπαιδευτεί στις Νευροχειρουργικές Κλινικές των Νοσοκομείων St George’s Hospital (2019-2020) και Leeds General Infirmary (2020-2021), αποκτώντας εκτεταμένη εμπειρία στην νευροχειρουργική ογκολογία, στις επεμβάσεις βάσης κρανίου, στην αγγειακή νευροχειρουργική και στην χειρουργική σπονδυλικής στήλης.

Έπειτα εργάστηκε ως Επικουρικός Επιμελητής Νευροχειρουργικής στο Γενικό Νοσοκομείο Αθηνών “Κοργιαλένειο-Μπενάκειο-ΕΕΣ” (2021-2024). Από το 2024 έως και σήμερα διατελεί σε θέση Επιμελητή Β’ του Ε.Σ.Υ., στο Γενικό Νοσοκομείο Πειραιά “Τζάνειο”.

Επίσης κατέχει τίτλο μεταπτυχιακών σπουδών μετά την ολοκλήρωση του προγράμματος “Μεθοδολογία Ιατρικής Έρευνας, Βιοστατιστική και Κλινική Βιοπληροφορική” του Τμήματος Ιατρικής του Πανεπιστήμιο Θεσσαλίας, καθώς και πιστοποιητικό εξειδικευμένης επιμόρφωσης ως Σύμβουλος Ιατρικής Δεοντολογίας και Βιοηθικής από το Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών. Από το 2023 είναι Διδάκτωρ  του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών, αφού ολοκλήρωσε την διδακτορική του έρευνα μελετώντας τον Νευροπροστατευτικό ρόλο της πρωτεΐνης Hamartin (TSC-1) κατά την εγκεφαλική ισχαιμία. Τα πειράματα διενεργήθηκαν στο Ίδρυμα Ιατροβιολογικών Ερευνών της Ακαδημίας Αθηνών, όπου και παραμένει μεταδιδακτορικός ερευνητής.

Έχοντας εκπαιδευτεί και εργαστεί σε μεγάλα νοσοκομειακά ιδρύματα του εξωτερικού και νοσοκομεία κορμού της Αττικής, διαθέτει μεγάλη εμπειρία για την αξιόπιστη αντιμετώπιση νευροχειρουργικών παθήσεων, παθήσεων σπονδυλικής στήλης και του χρόνιου πόνου.

Panagiotis Roukanas is a Vascular Surgeon - Angiologist and maintains his private practice in Nea Smyrni. He holds a degree from the Medical School of the National and Kapodistrian University of Athens and is a graduate of the inter-university postgraduate training program in "Endovascular Techniques" from the same University in collaboration with the University of Bicocca in Milan. He completed his military service as a Unit Physician and worked as a rural doctor at Zakynthos Hospital. He specialized in Thoracic Surgery at the Athens Chest Diseases Hospital "Sotiria" and in Cardiac Surgery at the General Hospital of Athens "Hippokration." Additionally, he trained in General Surgery at the Attica General Hospital KAT and in Vascular Surgery at the General Hospital of Athens "Laiko." He is specialized in the diagnosis and treatment of arterial and venous diseases using the most advanced methods, as well as in the treatment of diabetic foot and lymphedema. As part of his specialization, he participated in research programs in the field of Angiogenesis and the treatment of deep Venous Thrombosis. His scientific activity includes presentations at Greek and international conferences and publications in scientific journals. Since 2011, he has also been an affiliated physician at the BioClinic of Athens.

Velissariou Georgios is a Cardiologist and maintains a private practice in Acharnes. He specialized in cardiology at the 1st Cardiology Clinic of the General Hospital of Athens "Evangelismos" and has attended numerous seminars aimed at continuous professional development in his field. To date, he is a Scientific Collaborator of the HYGEIA group and a member of the Athens Medical Association. In 2024, after six months of training at the Onassis Cardiac Surgery Center, he obtained a license to perform stress echocardiography (stress echo).

Athanasiou Minas is a Cardiologist operating a private Cardiology Clinic within the DoctorsPlus medical complex in Nea Erythraia since 2016. He completed his medical studies at the "Alma Mater Studiorum" University of Bologna, Italy, in 2005. Subsequently, he obtained his Cardiology specialty certification in 2016 after successful training at the Cardiology Clinic of the General Hospital "Amalia Fleming," where he gained experience managing numerous acute and chronic cardiovascular cases. Concurrently, he has been certified by the Ministry of Health in performing cardiac Ultrasound - Triplex examinations. During his training, he specialized in the execution and interpretation of diagnostic tests such as exercise stress tests, Holter monitoring, and stress tests at the Nuclear Medicine Department of NIMTS. He trained in the evaluation of arrhythmia events at the Electrophysiology Department of the General Hospital "Alexandra" and in interventional treatment of acute coronary syndromes at the Hemodynamics Department of the General Hospital "Sismanoglio." Additionally, he has significant experience from the Cardiothoracic Surgery Department of the General Hospital of Athens "Evangelismos." His academic contributions include presentations at Scientific Conferences, and he is an active member of the Medical Association of Athens and the European Society of Cardiology. Finally, at his private practice, he has performed a substantial number (over 2000) of cardiac Ultrasound - Triplex examinations and exercise stress tests, while regularly monitoring a large number of cardiology patients in the wider area of the Municipality of Kifisia.

Georgios Xatzantonis is a vascular surgeon-endovascular surgeon. He trained at one of the largest centers for diabetic foot management and vascular access (fistula) in Germany and specializes in innovative endovascular techniques, having performed over 2,000 related procedures on hemodialysis patients in Germany and Greece. He is the head of the Vascular Access Center at Errikos Dunant Hospital, as well as the head of the Vascular Access Department at the 2nd Vascular Surgery Clinic, National and Kapodistrian University of Athens, at GNA “Laiko” Hospital. Mr. Xatzantonis is the pioneer behind the establishment of the first vascular access center in Greece, recognized by the international Vascular Access Society as a training center for vascular access surgery for hemodialysis patients. Finally, the physician is a scientific collaborator at Errikos Dunant Hospital, Mediterraneo Hospital, and GNA “Laiko” Hospital.

Doundoulakis Konstantinos is a Vascular Surgeon - Angiologist with a private practice in Ilisia. He graduated from the Medical School of Health Sciences at the National and Kapodistrian University of Athens, specializing in Vascular Surgery under the Medical Association of North Rhine-Westphalia, Germany. He trained as a General Surgery Surgeon at the General Hospital of Piraeus, Tzaneio, and specialized in General Surgery and Vascular Surgery at Ludmillenstift Krankenhaus Meppen. He has worked as a Vascular Surgeon at the Vascular Surgery Clinic of Elisabeth Krankenhaus Essen, as a consultant in the Second Vascular Surgery Clinic at Uniklinik Magdeburg, and in the First Vascular Surgery Clinic at Klinikum Brandenburg an der Havel. From 2020 to 2024, he served as a Consultant in the First Vascular Surgery Clinic at the "Errikos Dynan" Hospital, where he currently holds the position of Deputy Director. Finally, in his practice, he manages cases across the full spectrum of vascular surgery and angiological conditions, with noted expertise in endovascular vein surgery, nephropathy fistulas, and arterial diseases.

Dr. Konstantopoulos Theofanis MD, MSc, PhD is a Vascular Surgeon - Angiologist, Doctor of the Medical School of Athens, with a private practice in Mavili Square. He holds a Medical Degree from the Medical School of Aristotle University of Thessaloniki and the Military Officer School of Corps, and he received further training at Madigan Army Medical Centre in the United States of America. He specialized in General Surgery at the First Surgical Clinic of the 401 General Military Hospital of Athens and the First Surgical Clinic of the General Hospital of Athens "Sismanoglio." Additionally, he specialized in Vascular Surgery at the Vascular Surgery Clinic of the General Hospital of Athens "Sismanoglio" and completed a postgraduate program in Vascular Surgery and Endovascular Techniques at the Medical School of the National and Kapodistrian University of Athens. He is conducting his doctoral thesis on the "Study of angiogenesis factors during intermittent application of percutaneous electrical stimulation in patients with peripheral artery disease" at the Medical School of the National and Kapodistrian University of Athens. He is a Consultant at the Vascular Surgery Department of the 417 Nursing Foundation of the Army Pension Fund and has served as a Scientific Collaborator at the General Hospital of Rhodes. Finally, Dr. Konstantopoulos actively participates in numerous conferences and seminars in Greece and abroad as part of his continuous professional development.

Dr. Poullas Skeuos is a Neurosurgeon specializing in spinal pathology, founder of the Advanced Spinal Care Clinic – a center of excellence for spinal disorders, with over 20 years of medical experience and research in the application of new neurosurgical techniques. Since 1997, he has studied and implemented a novel minimally invasive surgical method using rigid endoscopes, and since 2002, with flexible endoscopes. More than 2,000 endoscopic procedures have been performed in total, predominantly addressing degenerative spinal pathology. Dr. Skeuos and his team practice at METROPOLITAN GENERAL, at his private clinic, as well as at the Advanced Spinal Care Clinic located in Marousi.

Papamentzelopoulos Spyridon is a Cardiologist and operates a private practice in Piraeus. He was admitted to the Military Officers School of Corps and is a graduate of the Medical School of Aristotle University of Thessaloniki. He initially specialized in Pathology at the 401 General Military Hospital of Athens for two years, including nine months in the Intensive Care Unit, and subsequently specialized in Cardiology for four years at the Onassis Cardiac Surgery Center. There, he participated in the management of numerous and complex cardiological cases, while also performing hundreds of diagnostic (stress tests, echocardiograms, Holter monitoring, and others) and interventional procedures (coronary angiographies, angioplasties, cardiac catheterizations, intravenous pacing). Additionally, he has participated in international studies of new transcatheter techniques for treating cardiac valve diseases (TAVI), as well as in the monitoring of patients with heart failure (using left ventricular assist devices [LVAD]) and heart transplantation. At his private practice, he provides specialized solutions tailored to the needs of his patients.

Andreas Katsimardos is a Military Physician, Interventional Cardiologist, consultant at the Cardiology Department of the 417 NIMTS, and maintains a private practice in Gerakas. He holds a degree from the Medical School of Aristotle University of Thessaloniki. He specialized in Cardiology at the 401 General Military Hospital of Athens and subsequently at the University General Hospital "Attikon." He further specialized in Interventional Cardiology at the University General Hospital of Alexandroupolis.

Dr. Papasideris Xristos is a Vascular Surgeon - Angiologist, PhD holder from Democritus University of Thrace, maintaining private clinics in Marousi and Kallithea. He graduated from the Medical School of the University of Rome “La Sapienza” and holds a postgraduate diploma in "Vascular Surgery: Endovascular Techniques." He also completed advanced training at the Vascular Surgery Clinic of Heinrich – Heinle University in Düsseldorf, Germany. He has been a scientific associate at the Vascular Surgery Clinic of the University of Athens, the University General Hospital Attikon, as well as a collaborator and surgeon at private hospitals. During his specialty training, he worked at the Onassis Cardiac Surgery Center, Evangelismos Hospital, Konstantopouleio General Hospital of N. Ionia “Agia Olga,” and the University General Hospital of Alexandroupolis. Additionally, he teaches at the Medical School of the National and Kapodistrian University of Athens as part of the course ‘Vascular Surgery,’ has participated as a speaker in conferences and workshops, and has numerous presentations at international conferences and publications in internationally recognized journals. He is a member of the Hellenic Professional Association of Vascular Surgeons and a board member of the Angiology Society, the Hellenic Vascular Surgery Society, and the Union of EOPYY Physicians (ENI-EOPYY), serving as the General Secretary. Finally, he specializes in the latest minimally invasive endovascular techniques.

Η Μαρία Καλλιόπη (Μαριλή) Κωνσταντινίδου είναι Καρδιοχειρουργός. Σπούδασε Ιατρική στο Πανεπιστήμιο της Κρήτης και στη συνέχεια έλαβε υποτροφία και εκπαιδεύτηκε στο Πανεπιστήμιο της Βοστώνης. Είναι αριστούχος Διδάκτορας του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών και έχει λάβει μεταπτυχιακό στην Ογκολογία Θώρακος και τη Χειρουργική και Παθολογία με υποτροφία.

Διετέλεσε την υπηρεσία υπαίθρου στην Κίσσαμο Χανίων και έλαβε την ειδικότητα της στο Γενικό Νοσοκομείο Αθηνών "Ο Ευαγγελισμός", στο Ωνάσειο Νοσοκομείο και στο Γενικό Κρατικό Νοσοκομείο Νίκαιας "Άγιος Παντελεήμων". Στη συνέχεια, μετέβη στη Βρετανία για την ολοκλήρωση της ειδικότητας της στο Harefield Hospital του Λονδίνου. Εξειδικεύτηκε στα μεγαλύτερα νοσοκομεία του Λονδίνου, King’s College Hospital και στο Royal Brompton Hospital, Λονδίνοl ενώ αργότερα επέστρεψε στο Harefield Hospital ως μόνιμη συνεργάτιδα. Επιπλέον, έχει αποκτήσει πληθώρα εμπειρίας στις σύγχρονες τεχνικές και σε πολύπλοκες επεμβάσεις και έχει διατελέσσει επιστημονική υπεύθυνη του εκπαιδευτικού προγράμματος καρδιοχειρουργικής στο Harefield Hospital και έχει δώσει διαλέξεις στο Imperial College στην Ιατρική Σχολή του Λονδίνου.

Επιστρέφοντας στην Ελλάδα, σύναψε συνεργασία με τα σημαντικότερα ιδιωτικά νοσοκομεία της Αθήνας ενώ ταυτόχρονα διατηρεί τη συνεργασία της με το Harefield Hospital και το Imperial College. Χάρη στην πολυετή εξειδίκευση της πραγματοποιεί όλο το φάσμα των καρδιοχειρουργικών επεμβάσεων με τις πιο εξελιγμένες μεθόδους, δινοντας έμφαση στην καλή ψυχολογία του ασθενούς και την οικογένεια τους παραμένοντας κοντά τους πριν, κατά τη διάρκεια αλλά και μετά την επέμβαση.

Είναι συγγραφέας ερευνητικών άρθρων σε επιστημονικά περιοδικά του εξωτερικού και της Ελλάδας και επιστημονική συνεργάτιδα σε διεθνή περιοδικά (Oxford Journals, European Journal Cardio-Thoracic Surgery, MDPI, Journal of Clinical Medicine). Έχει λάβει μέρος σε συνέδρια ως ομιλήτρια ή μέλος προεδρείου και είναι συντονίστρια και μέλος ομάδων διοργάνωσης συνεδρίων στην Ελλάδα και το εξωτερικό. Είναι μέλος της Ευρωπαϊκής Χειρουργικής Εταιρείας Καρδιάς και Θώρακος (EACTS), της Ελληνικής Χειρουργικής Εταιρείας Θώρακος και Καρδιάς και της Ελληνικής Καρδιολογικής Εταιρείας. Είναι επίσης μέλος του Ιατρικού Συλλόγου Αθηνών (ΙΣΑ) και του Ιατρικού Συλλόγου Αγγλίας (GMC).

Klotsa Dimitra is a Cardiologist who maintains a private practice in Zografou. She holds a degree from the Medical School of the National and Kapodistrian University of Athens and received further training in echocardiography at King’s College Hospital in London. There, she specialized in the Heart Failure Clinic (diagnosis, treatment, and follow-up of patients) and in the ultrasound department, performing transthoracic and transesophageal echocardiograms on patients with heart failure. Additionally, she specialized in Pathology at the General Oncology Hospital "Agioi Anargyroi" and in Cardiology at the Cardiology Clinic of the Nursing Institution of the Army Pension Fund (NIMTS). Finally, she has conducted stress tests in the Nuclear Medicine Department of the Cardiology Athens, where she is also the Head of the Ultrasound Department.

Triantafyllis Dimitrios is a Cardiologist who maintains private practices in Kypseli and Nea Psychiko. He holds a medical degree from the University of Ioannina with further training in Echocardiography (stress echo, transesophageal studies, three-dimensional imaging) from the Hippocrates Hospital of Athens and the Educational Program of the International Academy of Medical Ultrasound in Berlin. In addition to his private practice, he is a Scientific Associate - Cardiologist at DTHKA "Hygeia" and head of the Stress Echo Department at the Central Athens Clinic. He has also collaborated with the Euroclinic of Athens, where he gained significant experience in performing stress echo and transesophageal echocardiographic studies. At his cardiology clinic and laboratory, he offers comprehensive and specialized cardiological examinations covering the entire spectrum of cardiovascular diseases.

Dr. Papamixail Nikolaos is a Cardiologist with a private practice in Ampelokipi. He holds a medical degree from the Medical School of the National and Kapodistrian University of Athens and specialized in Cardiology at the Cardiology Clinic of the Military Fund Nursing Institution (NIMTS). He is an Associate at the "Athinaion" Clinic and Consultant Cardiologist at the 2nd Cardiology Clinic of the Euroclinic Athens. Additionally, he serves as the Scientific Director of the Cardiology Department at Euromedica Palaio Faliro, Consultant Cardiologist at the Bioclinic Athens, and Scientific Collaborator at the Hypertension Unit of the University Cardiology Clinic of the General Hospital of Athens "Hippocratio". Furthermore, the doctor has contracts with the Journalists’ Fund EDOEAP and the employees’ fund of the Bank of Greece ATPSYTE. Hospitalization and treatment for all cardiovascular diseases are available in a private clinic with all insurance funds and private insurance coverage. Finally, he actively participates in numerous conferences and seminars in Greece and abroad, presenting at Greek and international conferences and publishing in medical journals.

Dr Med Galanis Nektarios is a Vascular Surgeon maintaining private vascular surgery clinics in Athens and Chalkida. He holds degrees in Medicine and Radiation Protection and is a Doctor of the Medical School of Ulm in Germany. He has been trained in vascular diagnostic ultrasound, endovascular techniques, and endovenous laser ablation techniques for varicose veins. He possesses extensive clinical experience, having worked for 18 consecutive years (2003-2020) in clinics abroad in Germany and Switzerland, and since March 2020, he has been professionally active in Greece.

The vascular surgeon has performed more than 4,500 procedures both abroad and in Greece.

Since 2020, after his repatriation, he has served as the Director of the 1st Vascular Surgery Clinic at "IASO Thessaly". From October 2022, for three consecutive years, he was the director of the 5th Vascular Surgery Clinic at "Metropolitan General", and since September 2025, he has been directing the 2nd Vascular Surgery Clinic at "White Cross - The Athens Clinic" in Athens.

From 2021 for three consecutive years, he has been a scientific associate at the Institute of Anatomy of the Medical School of Aristotle University of Thessaloniki, where he taught Anatomy to medical students. Since September 2025, he continues his academic and teaching activities at the same school, now holding the position of Assistant Professor of Medicine at AUTh Medical School.

Additionally, during the academic year 2024–2025, he served as a scientific associate in the Anatomy Laboratory of the Medical School of the National and Kapodistrian University of Athens.